Property
Why a £250,000 flat can be worth millions by age 90
Buy a flat for £250,000 at 25 and hold it to 90, and Quidsmith will happily show you a valuation with a lot of zeroes on it. That is not magic. It is compounding, running quietly for 65 years.
In the game, property values drift upward each year with the housing market. The exact figure moves around, but the long-run average lands near 3.5% a year. That sounds gentle. Over a lifetime it is anything but.
Sixty-five years of quiet growth
A one-off 3.5% rise adds £8,750 to a £250,000 flat. Forgettable. But next year's rise is calculated on the new, larger figure, and the year after that on a larger figure again. Each gain feeds the next. That is the whole trick of compounding: growth stacking on top of previous growth.
At 3.5%, money roughly doubles every 20 years. So the arithmetic is almost embarrassingly simple:
| Age | Years held | Approx. value |
|---|---|---|
| 25 | 0 | £250,000 |
| 45 | 20 | £497,000 |
| 65 | 40 | £989,000 |
| 85 | 60 | £1,967,000 |
| 90 | 65 | £2,336,000 |
Three doublings and a bit take a quarter-million-pound flat past £2m. Nothing dramatic happens in any single year. The result is dramatic only because there are so many years.
The catch: inflation eats most of it
Here is the part the big number hides. Over the same decades, the price of everything else rises too. If inflation averages around 2.5%, then most of that 3.5% "growth" is just keeping pace with a shrinking pound. The real gain, growth above inflation, is only about 1% a year.
So a £2.3m valuation at 90 buys roughly what £475,000 buys today. That is still a solid return for having somewhere to live for 65 years, but it reframes the fantasy. Property in Quidsmith is a store of value that quietly beats inflation, not a money-printing machine.
Why holding a home still wins
Even with inflation taking its cut, owning your home does three useful things in the game:
- It removes rent from your living costs. Every year you own instead of rent is money that stays in your pocket to invest elsewhere.
- It is leveraged, if you used a mortgage. Your deposit might be 10% of the price, but you capture the growth on the whole property. Small deposit, full-value upside.
- It is forced, patient holding. You cannot panic-sell a house at 2am. That built-in patience is exactly what compounding needs.
Your home sits in your net worth and tracks house prices each year. Buying removes rent from your living costs, and a mortgage lets a modest deposit capture the growth on the full value. You can sell later and revert to renting, crystallising the gain. Watch the tax note: your main home is exempt, but a second property is not.
The lesson Quidsmith is teaching with that eye-watering age-90 figure is really about time. A boring asset compounding for six decades ends up somewhere remarkable. The trick is simply to start early and hold on.